Finite Group Databasebeta
Cayley diagram

C4×#568 #60057

order256
nilpotency class2
isoclinismisoclinic class of H(5,𝔽2)
automorphismAut(G) order 393216
homologyAbelianization (H1) = C23×C42 · Schur multiplier (H2) = C28×C4

Aliases

direct productC4×#568

Subgroups

subgroupG/H
centerC42C24
commutatorC2C23×C42
Frattini, cosocleC2×C4C25
socleC22C24×C4
prime radicalC22×#41C22
LCSG ▷ C2 ▷ C1
UCSC1 ◁ C42 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1625 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 20
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 5 generators on 20 points:

(1,2,3,4);(5,6,8,12,9,11,15,18)(7,10,14,17,13,16,19,20);(5,7)(6,10)(8,14)(9,13)(11,16)(12,17)(15,19)(18,20);(7,13)(10,16)(14,19)(17,20);(6,11)(10,16)(12,18)(17,20)

Conjugacy classes & character table

136 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofC4×#568⋊C3
maximal subgroup of#105918, #105926, #106306, …
maximal normal subgroup of#105918, #105926, #106306, …
maximal quotient ofC8×#568, #6342441, #6342454, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53045);